CN214269488U

CN214269488U - Dust keeper for unloading of heavy dump truck in open pit coal mine

Info

Publication number: CN214269488U
Application number: CN202120217360.2U
Authority: CN
Inventors: 张志坚; 翟广苓; 郑洪波
Original assignee: Gansu Huawei Engineering Equipment Co ltd
Current assignee: Gansu Huawei Engineering Equipment Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-09-24
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a heavy self-discharging car of opencut coal mine unloads and uses dust keeper, including the rose box, the bottom fixedly connected with base of rose box, and the bottom four corners of base all rotates and installs the walking wheel, the left side of rose box is inlayed and is equipped with the air exhauster, and the air intake of air exhauster is linked together with the inside of rose box, and fixed mounting has the filter screen in the rose box, and the right side of rose box sets up to the opening and rotates and install the apron, and apron and rose box thread tightening, and the outer tube is installed in the top intercommunication of rose box and rotation, and the outer tube is located the right side of filter screen, and the slip cap is equipped with the L venturi tube in the outer tube. The utility model relates to a rationally, convenient to use, the quick adjustment dust absorption height of being convenient for and the dust absorption that swings reach and to be suitable for not heavy dump truck of co-altitude dust absorption work of discharge department, and through the mode of swing dust absorption, can further increase the dust absorption scope, improve the dustproof effect of dust absorption, satisfy the user demand, be favorable to the use.

Description

Dust keeper for unloading of heavy dump truck in open pit coal mine

Technical Field

The utility model relates to a dustproof facilities technical field especially relates to a heavy self-discharging automobile of opencut coal mine unloads and uses dust keeper.

Background

When the heavy dump truck for the opencast coal mine unloads, large coal ash and dust can be generated, the coal ash and dust can be sucked for a long time, the body health of personnel can be greatly influenced, the coal dust can fly with wind, and the environment can be greatly polluted, so that dust is mostly sucked by dust suction equipment when the heavy dump truck for the opencast coal mine unloads, and the flying phenomenon of the coal dust is reduced;

the dust-proof device for unloading of the existing heavy dump truck in the opencast coal mine has the defects that the dust collection height cannot be adjusted conveniently according to actual needs and dust collection can be swung, a dust collection mode is singly adopted for the dust collection cover, the dust collection range is limited, and the heights of the heavy dump trucks with different heights needing dust collection are different, so that the dust-proof device for unloading of the heavy dump truck in the opencast coal mine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing the dustproof device for unloading the heavy dump truck in the open pit coal mine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dust-proof device for unloading of a heavy dump truck in an open coal mine comprises a filter box, wherein the bottom of the filter box is fixedly connected with a base, walking wheels are rotatably mounted at four corners of the bottom of the base, an exhaust fan is embedded in the left side of the filter box, an air inlet of the exhaust fan is communicated with the inside of the filter box, a filter screen is fixedly mounted in the filter box, the right side of the filter box is provided with an opening and is rotatably mounted with a cover plate, the cover plate is fixed with the filter box through threads, an outer pipe is rotatably mounted at the top of the filter box and is positioned at the right side of the filter screen, an L-shaped pipe is slidably sleeved in the outer pipe, the top of the L-shaped pipe extends to the upper part of the outer pipe, and the right end of the L-shaped pipe is communicated with and is fixedly provided with a dust hood;

the utility model discloses a filter box, including L venturi tube, supporting plate, the top of filter box, electric telescopic handle, the end that stretches out of electric telescopic handle and the bottom fixed connection of L shape supporting plate, the top fixedly connected with gear of L venturi tube, and the meshing of the rear side of gear has the rack, the right-hand member fixedly connected with L shape guide bar of rack, and sliding sleeve is equipped with the stand pipe on the L shape guide bar, the left end of stand pipe and the left side inner wall fixed connection of L shape supporting plate, the left end fixedly connected with of rack returns the shape pole, L shape supporting plate slip cap is established on returning the shape pole, it has the ball all to nest on the both sides inner wall of shape pole to return, it has same eccentric wheel to roll between two balls, fixed mounting has driving motor on the left side inner wall of L shape supporting plate, and driving motor's output shaft top and the bottom.

Preferably, a rectangular hole is formed in the inner wall of the left side of the L-shaped support plate, and the inner wall of the rectangular hole is in sliding connection with the outer side of the clip-shaped rod.

Preferably, a first round hole is formed in the inner wall of the bottom of the L-shaped support plate, a first bearing is fixedly sleeved in the first round hole, and an inner ring of the first bearing is welded and sleeved with the outer side of the L-shaped pipe.

Preferably, a second round hole is formed in the inner wall of the top of the filter box, a second bearing is fixedly sleeved in the second round hole, and the inner ring of the second bearing is welded and sleeved with the outer side of the outer pipe.

Preferably, the inner wall of the left side of the filter box is provided with a mounting hole, and the inner wall of the mounting hole is fixedly connected with the outer side of the exhaust fan.

Preferably, the top one side of rose box and the same hinge of top fixedly connected with of apron, the apron passes through the hinge and rotates the installation with the rose box, and the thread groove has been seted up to the right side bottom of rose box, and thread groove internal thread cover is equipped with T shape screw rod, and the right side bottom of apron sets up threaded hole, and screw hole and T shape screw rod threaded connection, the outside of filter screen and the inner wall in close contact with of rose box, equal two nuts of fixedly connected with on the top inner wall of rose box and the bottom inner wall, and nut internal thread cover is equipped with the screw, and the right side of filter screen is the rectangle and has seted up four perforation, the outside movable contact of fenestrate inner wall and the screw that corresponds.

Compared with the prior art, the beneficial effects of the utility model are that:

by matching a filter box, an exhaust fan, a filter screen, an outer pipe, an L-shaped pipe, a dust hood, an L-shaped support plate, an electric telescopic rod, a gear, a rack, a guide pipe, an L-shaped guide rod, a return rod, a ball, a driving motor, an eccentric wheel and a rectangular hole with a cover plate, when dust is sucked, the exhaust fan is started, an air inlet of the exhaust fan sequentially passes through the filter box, the outer pipe, the L-shaped pipe and the dust hood to suck coal dust generated at an unloading position into the filter box, the filter screen can shield and filter the coal dust to filter and collect the coal dust in the filter box, when the dust suction height is adjusted, the electric telescopic rod is started in a forward direction to drive the L-shaped support plate to move upwards, the L-shaped support plate drives the L-shaped pipe to slide upwards in the outer pipe, the L-shaped pipe drives the dust hood to move upwards, the height of the dust hood can be adjusted, the dust suction height is adjusted, and the driving motor is started to drive the eccentric wheel to rotate, when the eccentric wheel rotates, the two balls can drive the paper clip rod to move left and right circularly, the paper clip rod drives the rack to move left and right circularly, the rack drives the L-shaped guide rod to slide left and right circularly in the guide pipe, when the rack moves left and right circularly, the rack can drive the gear meshed with the rack to rotate reversely and positively, the gear drives the L-shaped pipe to rotate reversely and positively circularly, and the L-shaped pipe drives the dust hood to swing forwards after circulating at the moment, so that swinging dust collection can be realized, the dust collection range is enlarged, and the purposes of adjusting the dust collection height and swinging dust collection are realized.

The utility model relates to a rationally, convenient to use, the quick adjustment dust absorption height of being convenient for and the dust absorption that swings reach and to be suitable for not heavy dump truck of co-altitude dust absorption work of discharge department, and through the mode of swing dust absorption, can further increase the dust absorption scope, improve the dustproof effect of dust absorption, satisfy the user demand, be favorable to the use.

Drawings

Fig. 1 is a schematic structural view of a discharging dust-proof device for a heavy-duty dump truck for an open pit coal mine according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is the utility model provides a heavy dump truck of opencut coal mine unloads and uses dust keeper's shape pole, ball and eccentric wheel connecting piece structure schematic diagram is looked from upward.

In the figure: the device comprises a filter box 1, an exhaust fan 2, a filter screen 3, an outer pipe 4, a 5L-shaped pipe, a dust hood 6, a 7L-shaped support plate, an electric telescopic rod 8, a gear 9, a rack 10, a guide pipe 11, a guide rod 12L-shaped, a rod 13, balls 14, a driving motor 15, an eccentric wheel 16, a rectangular hole 17 and a cover plate 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the dust-proof device for unloading of the heavy dump truck in the opencast coal mine comprises a filter box 1, wherein the bottom of the filter box 1 is fixedly connected with a base, four corners of the bottom of the base are rotatably provided with walking wheels, the left side of the filter box 1 is embedded with an exhaust fan 2, an air inlet of the exhaust fan 2 is communicated with the inside of the filter box 1, a filter screen 3 is fixedly arranged in the filter box 1, the right side of the filter box 1 is provided with an opening and is rotatably provided with a cover plate 18, the cover plate 18 is fixed with the filter box 1 through threads, the top of the filter box 1 is communicated with and rotatably provided with an outer pipe 4, the outer pipe 4 is positioned on the right side of the filter screen 3, an L-shaped pipe 5 is slidably sleeved in the outer pipe 4, the top of the L-shaped pipe 5 extends to the upper part of the outer pipe 4, and the right end of the L-shaped pipe 5 is communicated with and fixed with a dust hood 6;

an L-shaped support plate 7 positioned above the outer tube 4 is rotatably sleeved on the L-shaped tube 5, an electric telescopic rod 8 is fixedly installed at the top of the filter box 1, the extending end of the electric telescopic rod 8 is fixedly connected with the bottom of the L-shaped support plate 7, a gear 9 is fixedly connected with the top of the L-shaped tube 5, a rack 10 is meshed at the rear side of the gear 9, an L-shaped guide rod 12 is fixedly connected with the right end of the rack 10, a guide tube 11 is slidably sleeved on the L-shaped guide rod 12, the left end of the guide tube 11 is fixedly connected with the left inner wall of the L-shaped support plate 7, a clip rod 13 is fixedly connected with the left end of the rack 10, the L-shaped support plate 7 is slidably sleeved on the clip rod 13, balls 14 are respectively nested on the inner walls at the two sides of the clip rod 13, an eccentric wheel 16 is contacted with the two balls 14 in a rolling manner, a driving motor 15 is fixedly installed on the left inner wall of the L-shaped support plate 7, and the top end of an output shaft of the driving motor 15 is fixedly connected with the left side of the bottom of the eccentric wheel 16, the utility model relates to a rationally, convenient to use, the quick adjustment dust absorption height of being convenient for and the dust absorption that swings reach and to be suitable for not heavy dump truck of co-altitude dust absorption work of discharge department, and through the mode of swing dust absorption, can further increase the dust absorption scope, improve the dustproof effect of dust absorption, satisfy the user demand, be favorable to the use.

In the utility model, a rectangular hole 17 is arranged on the left inner wall of an L-shaped support plate 7, the inner wall of the rectangular hole 17 is connected with the outer side of a clip rod 13 in a sliding way, a first round hole is arranged on the bottom inner wall of the L-shaped support plate 7, a first bearing is fixedly sleeved in the first round hole, the inner ring of the first bearing is welded and sleeved with the outer side of an L-shaped pipe 5, a second round hole is arranged on the top inner wall of a filter box 1, a second bearing is fixedly sleeved in the second round hole, the inner ring of the second bearing is welded and sleeved with the outer side of an outer pipe 4, a mounting hole is arranged on the left inner wall of the filter box 1, the inner wall of the mounting hole is fixedly connected with the outer side of an exhaust fan 2, one side of the top of the filter box 1 and the top of a cover plate 18 are fixedly connected with a same hinge, the cover plate 18 is rotatably mounted with the filter box 1 through the hinge, a thread groove is arranged at the right bottom of the filter box 1, and a T-shaped screw rod with a thread groove, threaded hole is seted up to apron 18's right side bottom, and threaded hole and T shape screw rod threaded connection, the outside of filter screen 3 and rose box 1's inner wall in close contact with, two nuts of equal fixedly connected with on rose box 1's the top inner wall and the bottom inner wall, and nut thread bush is equipped with the screw, and filter screen 3's right side is the rectangle and has seted up four perforation, the outside movable contact of fenestrate inner wall and the screw that corresponds, the utility model relates to a rationally, convenient to use, the quick adjustment dust absorption height of being convenient for with swing the dust absorption, reach and can be suitable for not the heavy self-discharging car of co-altitude dust absorption work of unloading, and through the mode of swing dust absorption, can further increase the dust absorption scope, improve the dustproof effect of dust absorption, satisfy the user demand, be favorable to the use.

The working principle is as follows: the arrangement of the four travelling wheels is convenient for a person to move the device, when the device is used, the device is moved to the tail of the unloading position of the heavy-duty dump truck, when dust is absorbed, the exhaust fan 2 is started, the air inlet of the exhaust fan 2 sucks the inner part of the outer pipe 4 through the filter box 1, the outer pipe 4 sequentially sucks the outer part through the L-shaped pipe 5 and the dust hood 6, the coal dust generated at the unloading position is sucked into the filter box 1 through the dust hood 6, the L-shaped pipe 5 and the outer pipe 4 in sequence, the filter screen 3 can shield and filter the coal dust, the coal dust is filtered and collected in the filter box 1, the phenomenon that the coal dust floats outwards is reduced in a dust absorption mode, and the purpose of dust prevention is achieved;

when the dust collection height needs to be adjusted, the electric telescopic rod 8 is started in the forward direction, the extending end of the electric telescopic rod 8 drives the L-shaped support plate 7 to move upwards, the L-shaped support plate 7 drives the L-shaped pipe 5 to slide upwards in the outer pipe 4 through the first bearing, the L-shaped pipe 5 drives the dust collection cover 6 to move upwards, the height of the dust collection cover 6 can be adjusted, and the purpose of adjusting the dust collection height according to actual needs is achieved, because the dust collection range of a single dust collection mode is limited, the driving motor 15 is started during dust collection, the output shaft of the driving motor 15 drives the eccentric wheel 16 to rotate, the eccentric wheel 16 rotates in the first half circle, the left ball 14 is extruded leftwards, under extrusion force, the left ball 14 moves leftwards and drives the loop bar 13 to slide leftwards in the rectangular hole 17, when the eccentric wheel 16 rotates in the second half circle, the right ball 14 extrudes rightwards and drives the loop bar 13 to move rightwards, the eccentric wheel 16 continuously rotates, so that the return rod 13 can be driven to circularly move left and right, the return rod 13 drives the rack 10 to circularly move left and right, the rack 10 drives the L-shaped guide rod 12 to circularly slide left and right in the guide pipe 11, the rack 10 can drive the gear 9 meshed with the rack to circularly rotate reversely and positively when circularly moving left and right, the gear 9 drives the L-shaped pipe 5 to circularly rotate reversely and positively, the L-shaped pipe 5 rubs to drive the outer pipe 4 to rotate, the circularly reversely and positively rotated L-shaped pipe 5 drives the dust hood 6 to circularly swing back and front at the moment, under the action of swinging back and front of the dust hood 6 circularly, swinging dust collection can be realized, the dust collection range is enlarged, and the dust collection height can be adjusted and swinging dust collection can be performed according to actual needs.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a heavy dump truck of opencut coal mine is unloaded and is used dust keeper, includes rose box (1), the bottom fixedly connected with base of rose box (1), and the bottom four corners of base all rotates and installs the walking wheel, a serial communication port, the left side of rose box (1) is inlayed and is equipped with air exhauster (2), and the air intake of air exhauster (2) is linked together with the inside of rose box (1), fixedly mounted has filter screen (3) in rose box (1), the right side of rose box (1) sets up to the opening and rotates and installs apron (18), and apron (18) and rose box (1) threaded fixation, the top of rose box (1) communicates and rotates and installs outer tube (4), and outer tube (4) are located the right side of filter screen (3), sliding sleeve has L venturi tube (5) in outer tube (4), the top of L venturi tube (5) extends to the top of outer tube (4), the right end of the L-shaped pipe (5) is communicated with and fixed with a dust hood (6);

the L-shaped pipe (5) is rotatably sleeved with an L-shaped support plate (7) positioned above the outer pipe (4), the top of the filter box (1) is fixedly provided with an electric telescopic rod (8), the extending end of the electric telescopic rod (8) is fixedly connected with the bottom of the L-shaped support plate (7), the top of the L-shaped pipe (5) is fixedly connected with a gear (9), the rear side of the gear (9) is meshed with a rack (10), the right end of the rack (10) is fixedly connected with an L-shaped guide rod (12), the L-shaped guide rod (12) is slidably sleeved with a guide pipe (11), the left end of the guide pipe (11) is fixedly connected with the inner wall of the left side of the L-shaped support plate (7), the left end of the rack (10) is fixedly connected with a clip rod (13), the L-shaped support plate (7) is slidably sleeved on the clip rod (13), the inner walls of two sides of the clip rod (13) are both provided with nested balls (14), two balls (14) roll to contact with the same eccentric wheel (16), a driving motor (15) is fixedly installed on the inner wall of the left side of the L-shaped support plate (7), and the top end of an output shaft of the driving motor (15) is fixedly connected with the left side of the bottom of the eccentric wheel (16).

2. The dust prevention device for unloading of the heavy dump truck for the open pit coal mine according to claim 1, wherein a rectangular hole (17) is formed in the left inner wall of the L-shaped support plate (7), and the inner wall of the rectangular hole (17) is slidably connected with the outer side of the return rod (13).

3. The dust-proof device for unloading of the heavy-duty dump truck for the open pit coal mine according to claim 1, wherein a first round hole is formed in the inner wall of the bottom of the L-shaped support plate (7), a first bearing is fixedly sleeved in the first round hole, and an inner ring of the first bearing is welded and sleeved with the outer side of the L-shaped pipe (5).

4. The dust-proof device for unloading of the heavy-duty dump truck for the open coal mine according to claim 1, wherein a second round hole is formed in the inner wall of the top of the filter box (1), a second bearing is fixedly sleeved in the second round hole, and an inner ring of the second bearing is welded and sleeved with the outer side of the outer pipe (4).

5. The dust-proof device for unloading of the heavy dump truck for the open pit coal mine according to claim 1, wherein a mounting hole is formed in the left inner wall of the filter box (1), and the inner wall of the mounting hole is fixedly connected with the outer side of the exhaust fan (2).

6. The dust-proof device for unloading of a heavy-duty dump truck for a opencast coal mine according to claim 1, it is characterized in that one side of the top of the filter box (1) and the top of the cover plate (18) are fixedly connected with the same hinge, the cover plate (18) is rotatably installed with the filter box (1) through the hinge, the bottom of the right side of the filter box (1) is provided with a thread groove, a T-shaped screw rod is sleeved in the thread groove, a threaded hole is arranged at the bottom of the right side of the cover plate (18), the threaded hole is in threaded connection with the T-shaped screw, the outer side of the filter screen (3) is in close contact with the inner wall of the filter box (1), two nuts are fixedly connected on the inner wall of the top part and the inner wall of the bottom part of the filter box (1), and the screw is sleeved in the nut, the right side of the filter screen (3) is provided with four through holes in a rectangular shape, and the inner wall of each through hole is movably contacted with the outer side of the corresponding screw.